Search a number
-
+
52625013 = 3717147409
BaseRepresentation
bin1100100010111…
…1111001110101
310200000121221120
43020233321311
5101433000023
65115534153
71206206460
oct310577165
9120017846
1052625013
1127783a51
121575a359
13ab9717c
146dbc2d7
1549478e3
hex322fe75

52625013 has 16 divisors (see below), whose sum is σ = 84908160. Its totient is φ = 28302336.

The previous prime is 52625009. The next prime is 52625021. The reversal of 52625013 is 31052625.

It is not a de Polignac number, because 52625013 - 22 = 52625009 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52625093) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73348 + ... + 74061.

It is an arithmetic number, because the mean of its divisors is an integer number (5306760).

Almost surely, 252625013 is an apocalyptic number.

It is an amenable number.

52625013 is a deficient number, since it is larger than the sum of its proper divisors (32283147).

52625013 is a wasteful number, since it uses less digits than its factorization.

52625013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147436.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 52625013 is about 7254.3099602926. The cubic root of 52625013 is about 374.7405921504.

Adding to 52625013 its reverse (31052625), we get a palindrome (83677638).

The spelling of 52625013 in words is "fifty-two million, six hundred twenty-five thousand, thirteen".

Divisors: 1 3 7 17 21 51 119 357 147409 442227 1031863 2505953 3095589 7517859 17541671 52625013